use super::Expr;

/// Returns `true` if any item in a collection evaluates to `true`.
///
/// Evaluates its inner expression and returns `true` if at least one item is
/// truthy. Returns `false` for an empty collection.
///
/// # Examples
///
/// ```text
/// any([true, false, false])  // returns `true`
/// any([false, false])        // returns `false`
/// any([])                    // returns `false`
/// ```
#[derive(Debug, Clone, PartialEq)]
pub struct ExprAny {
    /// Expression that evaluates to a list.
    pub expr: Box<Expr>,
}

impl Expr {
    /// Creates an `Any` expression that returns true if any item in the list evaluates to true.
    ///
    /// Returns false if the list is empty (matching Rust's `[].iter().any()` semantics).
    pub fn any(expr: impl Into<Expr>) -> Self {
        ExprAny {
            expr: Box::new(expr.into()),
        }
        .into()
    }

    /// Returns true if this is an `Any` expression
    pub fn is_any(&self) -> bool {
        matches!(self, Self::Any(_))
    }
}

impl From<ExprAny> for Expr {
    fn from(value: ExprAny) -> Self {
        Self::Any(value)
    }
}
